ARMY OPEN SOLICITATION (AOS)

26 MARCH 2026 AMENDMENT 11 - The AOS document and Attachment 1 document are revised to add Army Example Area (AEA) updates, which are posted under "Attachments". 23 FEBRUARY 2026 AMENDMENT 10 - AOS document is revised to add a new Army Example Area (AEA) and posted under "Attachments". 3 DECEMBER 2025 AMENDMENT 9 - AOS document and Attachment 1 document are revised and posted under "Attachments". 7 AUGUST 2025 AMENDMENT 8 - AOS document and Attachment 1 document are revised and posted under "Attachments". 24 JULY 2025 AMENDMENT 7 - AOS document is revised and posted under "Attachments". The revision provides an update to the Active Capability Gap (ACG) mailboxes listed under Section J - Contracting Information. Additionally, Request for Information (RFIs) will at times be posted under "Links" to create more awareness to AOS interested vendors. RFIs posted under AOS are for market research purposes only and the Government has no obligation to post a subsequent Call for Solution under AOS for the requirement. 10 JULY 2025 AMENDMENT 6 - Attachment 1 document is revised and posted under "Attachments". 1 JULY 2025 AMENDMENT 5 - AOS document is revised and posted under "Attachments". The revision provides the remaining Active Capability Gap (ACG) mailboxes listed under Section J - Contracting Information. 24 JUNE 2025 AMENDMENT 4 - AOS document is revised and posted under "Attachments". 11 JUNE 2025 AMENDMENT 3 - AOS and Attachment 1 documents are revised and posted under "Attachments". 20 MAY 2025 AMENDMENT 2 - Going forward, all Call(s) for solutions will be posted under "Links" within this AOS Special Notice. 15 MAY 2025 AMENDMENT 1 - Attachment 1 for the Army Open Solicitation (AOS) Active Capability Gap (ACG) Procedures is incorporated within this special notice. *Note* - The mailboxes for the Active Capability Gap (ACG) Portion are available in the AOS document, Section J - Contracting Information The Army Open Solicitation (AOS) aims to support all Army Mission Are